Air Quality in Louisville, United States
Windy
32.0°C · 21.3% humidity
32.0°
Feels 32.0°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Louisville's air quality — share it
AQI Forecast
Calibrated
43
2pm
36
36
31
5pm
32
33
41
8pm
42
42
42
11pm
43
43
43
2am
36
36
36
5am
36
36
36
8am
36
36
36
11am
36
36
Station readings
53
44
21
CAMS model
adj +9
34
27
27
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
47h · 1 stnLouisville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
21.3%
Humidity
44.9 km/h
Wind E
1010.0 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Louisville?
Temperature & Precipitation
PM2.5 Trend
47h · 1 stationPM2.57.35 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Louisville?
08-03
32.0° 18.3°
1.88 mm
08-04
32.9° 17.2°
0.19 mm
08-05
34.2° 15.9°
4.06 mm
08-06
32.1° 15.3°
0.38 mm
08-07
34.2° 18.2°
0.06 mm
08-08
34.5° 17.9°
08-09
32.2° 18.7°
2.44 mm
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Louisville?
88
Northwest Open Space
83
Recreation Center, Senior Center, and Theatre
88
Westminster Town Hall
87
Silver Creek
83
North Mor Elementary School
77
Trail Winds Recreation Center
85
Fremont Elementary School
86
Westminster MAC
63
Thornton Community Park
83
Rotella Park
What cities are near Louisville?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:55 UTC.